Dry syngas purification processes for coal gasification systems /

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Kobayashi, Makoto
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Amsterdam : Elsevier, [2021]
Temas:
Integrated gasification combined cycle power plants.
Coal gasification.
Gases > Purification.
Centrales de gaz�eification int�egr�ee �a cycle combin�e.
Charbon > Gaz�eification.
Gaz > �Epuration.
Coal gasification
Gases > Purification
Integrated gasification combined cycle power plants
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Front Cover
  • Dry Syngas Purification Processes for Coal Gasification Systems
  • Dry Syngas Purification Processes for Coal Gasification Systems
  • Copyright
  • Contents
  • Preface
  • Acknowledgments
  • 1
  • Introduction
  • 1.1 Coal-derived syngas
  • 1.2 Requirement for syngas cleaning for coal gasification systems
  • 1.3 Wet syngas purification process
  • 1.4 History of dry syngas purification processes
  • 1.4.1 Basic strategy for developing dry sulfur removal process
  • 1.4.2 Research history of candidates for dry sulfur removal sorbent
  • 1.4.2.1 Sulfur removal performance
  • 1.4.2.2 Sorbent stability and regenerability
  • 1.4.2.3 Binary oxide with sorbent stability
  • 1.4.2.4 Moderate-temperature application of zinc ferrite
  • 1.4.3 Research history of removal of various impurities in syngas
  • 1.4.3.1 Hydrogen halides
  • 1.4.3.2 Metal carbonyls
  • 1.4.3.3 Nitrogen compounds
  • 1.4.3.4 Alkali metals
  • 1.4.3.5 Heavy metals
  • 1.4.3.6 Tars
  • 1.4.3.7 Remaining oxygen
  • 1.4.3.8 Other trace elements
  • 1.4.3.9 Summary of this section
  • 1.5 Tasks to develop a dry syngas purification process
  • References
  • 2
  • Advantages of dry syngas purification
  • 2.1 Retaining sensible heat and steam concentration
  • 2.2 Simultaneous removal and separation of impurities
  • 2.3 Lower reproduction of wastes
  • 2.4 Elimination of wastewater treatment
  • 2.5 Compact plant size
  • References
  • 3
  • Measurement of impurities in syngas
  • 3.1 Syngas composition and moisture
  • 3.2 Sulfur compounds
  • 3.3 Halides
  • 3.4 Ammonia and nitrogen compounds
  • 3.5 Mercury
  • 3.6 Other expected impurities and status of identification
  • 3.7 Related gas analyzer for process control
  • References
  • 4
  • Development of sorbents used in dry syngas purification
  • 4.1 Metal oxide-based sulfur removal sorbents
  • 4.1.1 Basic chemistry of zinc ferrite sorbent
  • 4.1.1.1 Terms of step procedure in cyclic operation
  • 4.1.1.2 Terms of chemical reaction in cyclic operation
  • 4.1.1.3 Related terms
  • 4.1.2 Preparation of zinc ferrite-based reactant material
  • 4.1.3 Molding of honeycomb structure of zinc ferrite sorbent
  • 4.2 Alkali metal-based halide removal sorbents
  • 4.2.1 Basic chemistry of halide removal sorbent
  • 4.2.2 Production of halide removal sorbent
  • 4.3 Sorbents for mercury and other trace elements
  • 4.4 Countermeasures for side reactions
  • 6
  • Process development

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